Folding-seat back.



g-"zgpfeided and 3o park ,or circus.` y, Y t i 1 gk "3 represents angle-ironbarshaving ends 4,' downwardlycurved to'fit around the forward Y edgeof'theplankjZ;v Y V"lheljrear ends of the n bars arefconnected by rivets V,5to plates or rails' `all it l1 SAUM; of Minneapolis, Hennepin county,

'fi "Minnesota, have. invented' 'certain new .and i ofwhich t A;V further o ject is to provide a folding seat "ed out in the claims,

VIn the *accompanying ing'niy'invention 'ready for use.` Fig. 2'is a view of one VVside -ofithe seateback, showing it i 1in its partially separated orfcollapsed condi! tion; Fig."3 illustratesthe side of the fraineg ready tov be rolled up in Y the ble back'.

'Infthe f' eraladmission `seats y 35; 6, Vwhichhave'Ydi'agonally-arranged-notches 7 neartheirlower ends and recesses S'intheir; 1 upper ends and intermediate slots' .9; Plates l0 have recessesfS kin their'endsy correspondingto those in the'upper ends or plates 6 and `4o studs 11' tOenterthe recesses in said lplates y6' landpins 12,WhiCh'paSsthrOugh the slots 9 and secure the plates 6 and l0 together, val' lowing, however, suflioientlongitudinal movement for the studs 1'1,.1to beinsertedinto or y45withdrawn from the recesses 8. The Shanks f of the pins 12 extend beyondv the plates, and

Y Jj@ Y `braces 13- are pivoted to ytheforwardends of thebars 3 ,andhaveinotches 14 in their Aoppo-v i 1j. 'site en'ds to receive the said VShanks andlsup' 5o portfthe seat-back and'perniititto bead-L V fjusted at diferentlinclinations with respect to th'ebars'; j The plates Gand'l() are' conf i 'y nectediat the'ftopiand bottoniY ofthe yse at-;

back by rodslf,l havin annularlgrooves 16 Y 55',inf'tlieirends to enter t e recesses'f inthe upper ends ofthe Vplates iOand the'notches( 'f useful Iinyrovernents -inFoldin -Seat Backs,

iThe'objectoffmylinventionis to provide afoldinlseat backfadapted particularly'for'` "use onft e'boardS-D planksiof -alcircus, race?4 ro track, or ballark stand'or in aboat., i i @i drawings, vfrrningk partof'this specification, Figure l Vis a per# "ze spective'view ofV a folding-seat back-embody- Y v Y draWlIlgiSfZdfrepresents; a plnk "014 Y, i A boardsnch as isuslllly prdvided for the gen f "CFA,

j f in'ithe 1lower ends'ofthgeplates; A crosse Beit known that'I," CHARLESE;v MAno'HEsf bar. v17 havinghooked vendsy 18,isV provided lappedends of-theplates andrl() ata point' (aboutmidway betweenv thesaid rods,iand a flexible material v19, suchvas canva'sc'onnects Y betweenv the'saidplatesV of the seatback'.V The rods, with the canvas, canbe easily and Y uickly detached from the saidplates, and t ien by unhooking the braces -13 thejplates Y and bars-'3 can'befolded together into acomp ac;'bundle` and1 rolledup in the flexible ae f.

,i v I fclaim as my invention-Y iack corni-V ing hooked forward ends and a slots, and studsiinterniediate to their ends to in their iupper ends, an'd'rods adapted/to en-Vv tersaidnotches 'Z andthe recesses inthe upi materialconnecting sai" rods@ g Y 2. Thecombinatiorgwith thebars 3 havin f `downwardlyftilrnedfands,f ypilatesfliinge l to the rearends of saidbars, p ates 10 having' f sliding'pivotal connection with said plates Y V'6, thecontiguous ends ofsaid plates 6 and l() ylappn by nefanothena crpsS-barcrhavm hooke k' endstoclasp, the lappedV ends ofsai f Y plates, rods. detachably connectingthe opposite plates, Va flexible' materialconnecting; [said rods, and'ffbraces 1 connecting saidb'ars Y 9 5 yandsaid plates'.y Q iff 3. A folding-seat back comprising bars hav? ing ddwnwardly-turned Jforward endsgfj and a back 4composed of plates. arrangedin pairs, the lowerk plates of eachfpair beingpivoted to io said bars' and having'a :slidin 4"connection with said' upper 'plates and "af apted'toV bef". Vfolded one beside the other,- suitablel braces' for said plates, detachable cross -bars ycon-E vnec'ting the op o sitegplates,ieand affleiible material ycarrie by said bars@ i. p

4. iA yfolding-seat f back comprising. I angle- ,barsV 3' vhaving Vdownwardly turnedV forward y endsA, back-plates pivotally -iconnected to the rearfends ofsaid plates 'andcomposed i1 of seotions adaptedr to be foldedone beside Y the other, a barconnectingthe,overlapping bietweenfsaid rods and adapt-'ed toafclasp` the 1 *l y6oy the, said rods'and'bargl' and 'fills the Vspace f iv, 51' 1;Afolding-seat back coniprisinobarshav-i Vposed of plates arrangedin`pairs,',the lower ate slots, thenpper plates ofsaidpairs hav- Y Y ingpinsfattlieir lower ends slidable/insaidV l j 8o enter'said-recesses Vandals'o, havingI recesses perends of said upper lates, andaflexiblejf 85 ends of said leeetions and preventinfr their ported in said plates and having a flexible connection, and braces connecting said seat- 5. In ay folding-seat back, the combination l with the plates 6 haringI slotted upper ends,

Said platee 6, and pins to enter the slots in the upper ends ot' said plates a cross-bar having hooked ends adapted to grasp the lapped ends` ol said plates 6 and 1l), rods re inovably supported in said plates, and a Ilexible material connecting said rods.

6. A folding-seat beek, comprising bars $5 havingdownwardly-turned forward ends, plates f6 pivotally attached to said bars 3, plates l0 pivotally connected to said plates 6 and adapted to be folded beside the same or unfolded to forni a continuation thereof, cross-rods temporarily connecting the opposite plates and whereby the bar and platee on from those on tlie other side to periiiii coinpact foldino, and a flexible iiiateiial connecting Said rolls, substantiallv as described.

7. A folding-seat baek, comprising?r bar 2% havinpr downn'ardb` -turiied forward ends. plates G pivotall)v attached to said liars 3,

i plate l() pivotally connected to lmid platee` (i of plates l() having a sliding connection with and adapted to be folded beside the saine or j unfolded to forni a continuation thereof, the

bar and plates on one side of the seal being"r `separable frointhose oii the other side, crosb`- rods temporarily connecting,r tlie opposite plates, and a llexible. material connecting :said rods, and brace` connecting said bars and plates, substantially as described.

ln Witnes.` whereof l have hereunto set my hand thii` 15th day of July, 1905.

CHARLES E. M.\.RCHESSAUL'1`. Witnesses:

RICHARD PAUL,

C. MACNAMARA. 

